GitHub issue and PR templates (into master)

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: bug
+assignees: sandsbit
+
+---
+
+**Describe the bug**<br>
+A clear and concise description of what the bug is.
+
+**Steps to reproduce**<br>
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Expected behavior**<br>
+A clear and concise description of what you expected to happen.
+
+**Screenshots**<br>
+If applicable, add screenshots to help explain your problem.
+
+**Desktop (please complete the following information):**<br>
+ - Platform: [e.g. macOS]
+ - Version [e.g. 1.0]
+
+**Additional context**<br>
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: enhancement
+assignees: sandsbit
+
+---
+
+**Is your feature request related to a problem? Please describe.**<br>
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**<br>
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**<br>
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**<br>
+Add any other context or screenshots about the feature request here.

.github/pull_request_template.md

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+<!--- Provide a general summary of your changes in the Title above -->
+
+## Description
+<!--- Describe your changes in detail -->
+
+## Motivation and Context
+<!--- Why is this change required? What problem does it solve? -->
+<!--- If it fixes an open issue, please link to the issue here. -->
+
+## How Has This Been Tested?
+<!--- Please describe in detail how you tested your changes. -->
+<!--- Include details of your testing environment, tests ran to see how -->
+<!--- your change affects other areas of the code, etc. -->
+
+## Screenshots (if appropriate):
+
+## Types of changes
+<!--- What types of changes does your code introduce? Put an `x` in all the boxes that apply: -->
+- [ ] Bug fix (non-breaking change which fixes an issue)
+- [ ] New feature (non-breaking change which adds functionality)
+- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
+
+## Checklist:
+<!--- Go over all the following points, and put an `x` in all the boxes that apply. -->
+<!--- If you're unsure about any of these, don't hesitate to ask. We're here to help! -->
+- [ ] My code follows the code style of this project.
+- [ ] My change requires a change to the documentation.